Light Trespass: Richmond vs Walnut Creek

Richmond prohibits light glare and spillover that creates a nuisance to neighboring properties, typically limiting illumination at residential property lines to 0.5 foot-candles measured at ground level.

Walnut Creek prohibits light glare and spillover onto neighboring properties and public rights-of-way. Property owners must shield and direct outdoor lighting to avoid creating a nuisance, with enforcement through code compliance and nuisance provisions of the Municipal Code.